/**
* 1. Change the default font family in all browsers (opinionated).
* 2. Prevent adjustments of font size after orientation changes in IE and iOS.
*/

html {
  -ms-text-size-adjust: 100%; /* 1 */
  -webkit-text-size-adjust: 100%; /* 1 */
  -webkit-tap-highlight-color: transparent; /* 2 */
  height: 100%;
}

/**
 * Remove the margin in all browsers (opinionated).
 */

body {
  margin: 0; /* 1 */
  font-size: 14px;
  font-family: "PingFang SC","Helvetica Neue", Helvetica, STHeiTi, Arial, sans-serif;
}

/* HTML5 display definitions
   ========================================================================== */

/**
 * Add the correct display in IE 9-.
 * 1. Add the correct display in Edge, IE, and Firefox.
 * 2. Add the correct display in IE.
 */

article,
aside,
details,
figcaption,
figure,
footer,
header,
hgroup,
main,
menu,
nav,
section,
summary {
  display: block;
}

/**
 * Add the correct display in iOS 4-7.
 */

audio:not([controls]) {
  display: none;
  height: 0;
}

/**
 * Add the correct vertical alignment in Chrome, Firefox, and Opera.
 */

progress {
  vertical-align: baseline;
}

/**
 * Add the correct display in IE 10-.
 * 1. Add the correct display in IE.
 */

template, /* 1 */
[hidden] {
  display: none;
}

/* Links
   ========================================================================== */

/**
 * 1. Remove the gray background on active links in IE 10.
 * 2. Remove gaps in links underline in iOS 8+ and Safari 8+.
 */

a {
  background-color: transparent; /* 1 */
  -webkit-text-decoration-skip: objects; /* 2 */
  text-decoration: none;
}

/**
 * Remove the outline on focused links when they are also active or hovered
 * in all browsers (opinionated).
 */

a:active,
a:hover {
  outline-width: 0;
}

/* Text-level semantics
   ========================================================================== */

/**
 * 1. Add the correct text decoration in Chrome, Edge, IE, Opera, and Safari.
 */

abbr[title] {
  text-decoration: underline; /* 1 */
  text-decoration: underline dotted; /* 1 */
}

/**
 * Add the correct font weight in Chrome, Edge, and Safari.
 */

b,
strong {
  font-weight: bolder;
}


/**
 * Add the correct font style in Android 4.3-.
 */

dfn {
  font-style: italic;
}

/**
 * Add the correct font size in all browsers.
 */

small {
  font-size: 80%;
}

/**
 * Prevent `sub` and `sup` elements from affecting the line height in
 * all browsers.
 */

sub,
sup {
  font-size: 75%;
  line-height: 0;
  position: relative;
  vertical-align: baseline;
}

sup {
  top: -0.5em;
}

sub {
  bottom: -0.25em;
}

/* Embedded content
   ========================================================================== */

/**
 * Remove the border on images inside links in IE 10-.
 */

img {
  border-style: none;
}

/**
 * Hide the overflow in IE.
 */

svg:not(:root) {
  overflow: hidden;
}

/* Grouping content
   ========================================================================== */

/**
 * 1. Correct the inheritance and scaling of font size in all browsers.
 * 2. Correct the odd `em` font sizing in all browsers.
 */

code,
kbd,
pre,
samp {
  font-family: monospace, monospace; /* 1 */
  font-size: 1em; /* 2 */
}

/**
 * 1. Contain overflow in all browsers.
 * 2. Improve readability of pre-formatted text in all browsers.
 */
pre {
  overflow: auto; /* 1 */
  white-space: pre; /* 2 */
  white-space: pre-wrap; /* 2 */
  word-wrap: break-word; /* 2 */
}

/* Forms
   ========================================================================== */

/**
 * 1. Correct color not being inherited.
      Known issue: affects color of disabled elements.
 * 2. Change font properties to `inherit` in all browsers (opinionated).
 * 3. Remove the margin in Firefox and Safari.
 */

button,
input,
optgroup,
select,
textarea {
  color: inherit; /* 1 */
  font: inherit; /* 2 */
  margin: 0; /* 3 */
  vertical-align: middle;
}

/**
 * Show the overflow in IE.
 * 1. Show the overflow in Edge.
 * 2. Show the overflow in Edge, Firefox, and IE.
 */

button,
input,  /* 1 */
input { /* 2 */
  overflow: visible;
}

/**
 * Remove the inheritance of text transform in Edge, Firefox, and IE.
 * 1. Remove the inheritance of text transform in Firefox.
 */

button,
select { /* 1 */
  text-transform: none;
}

/**
 * 1. Prevent a WebKit bug where (2) destroys native `audio` and `video`
 *    controls in Android 4.
 * 2. Correct the inability to style clickable types in iOS and Safari.
 */

button,
html [type="button"], /* 1 */
[type="reset"],
[type="submit"] {
  -webkit-appearance: button; /* 2 */
}

/* Re-set default cursor for disabled elements. */
[disabled] {
  cursor: default;
}

/**
 * 1. Add the correct box sizing in IE 10-.
 * 2. Remove the padding in IE 10-.
 */

[type="checkbox"],
[type="radio"] {
  box-sizing: border-box; /* 1 */
  padding: 0; /* 2 */
}

/**
 * Correct the cursor style of increment and decrement buttons in Chrome.
 */

[type="number"]::-webkit-inner-spin-button,
[type="number"]::-webkit-outer-spin-button {
  height: auto;
}

/**
 * 1. Correct the odd appearance in Chrome and Safari.
 * 2. Correct the outline style in Safari.
 */

[type="search"] {
  -webkit-appearance: textfield; /* 1 */
  outline-offset: -2px; /* 2 */
}

/**
 * Remove the inner padding and cancel buttons in Chrome and Safari on OS X.
 */

[type="search"]::-webkit-search-cancel-button,
[type="search"]::-webkit-search-decoration {
  -webkit-appearance: none;
}

/**
 * 1. Correct the inability to style clickable types in iOS and Safari.
 * 2. Change font properties to `inherit` in Safari.
 */

::-webkit-file-upload-button {
  -webkit-appearance: button; /* 1 */
  font: inherit; /* 2 */
}

/* 1. Remove default vertical scrollbar in IE 8/9/10/11. */
textarea {
  overflow: auto; /* 1 */
  resize: none;
  vertical-align: top;
}

/* Don't inherit the `font-weight` (applied by a rule above).
NOTE: the default cannot safely be changed in Chrome and Safari on OS X. */

optgroup {
  font-weight: bold;
}

/* webkit focus outline */
button,
input,
select,
textarea {
  &:focus{
    outline: 0;
  }
}

/* Android 下 input focus 消除高亮外框 */
textarea,
input {
  -webkit-user-modify: read-write-plaintext-only;
}

input::-ms-clear,
input::-ms-reveal {
  display: none;
}

/**
 * placeholder text color
 */
input:-ms-input-placeholder,
textarea:-ms-input-placeholder {
  color: inherit;
  opacity: 0.54;
}

input::-webkit-input-placeholder,
textarea::-webkit-input-placeholder {
  color: inherit;
  opacity: 0.54;
}

/* table
   ========================================================================== */

/* Remove table cell spacing and padding */
table {
  border-collapse: collapse;
  border-spacing: 0;
}

td,
th {
  padding: 0;
}

h1, h2, h3, h4, h5, h6, p, figure, form, blockquote {
  margin: 0;
}

ul, ol, li, dl, dd {
  margin: 0;
  padding: 0;
}

ul, ol {
  list-style: none outside none;
}
h1, h2, h3, h4, h5, h6 {
  font-size: 100%;
  font-weight: normal;
  line-height: 2;
}
* {
  box-sizing: border-box;
}
